Semiconductor photo-device having oblique top surface of stem fo

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – In combination with or also constituting light responsive...

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257 80, 257 82, 257 98, 257 99, H01L 2715

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056659822

ABSTRACT:
A semiconductor laser emitting device has a semiconductor laser emitting diode mounded on a heat sink attached to a side surface of a heat conductive stem accommodated in a package; and a top surface of the stem is oblique with respect to the optical path of a laser beam, roughened and topographically coated with an anti-reflecting film so as to drastically decrease a stray light.

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Patent Abstracts of Japan; No. JP-A-03 114278; May 15, 1991; vol. 15, No. 315., Hidehiko et al.

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